{% load i18n %}
{% with contention=target_object.argument %}
{% if notification.sender and contention %}
<a class="user" href="{% url "auth_profile" notification.sender.username %}">
{{ notification.sender.username }}</a> 
{% trans "supported your premise" %} <br>
<a href="{{ contention.get_absolute_url }}/{{ target_object.id }}" class="contention-link">{{ contention.title }}</a>
{% endif %}
{% endwith %}
